private Collection<KnowledgePackage> getProcessWorkItems() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.test.TestProcess");
process.setName("TestProcess");
process.setPackageName("org.drools.test");
StartNode start = new StartNode();
start.setId(1);
start.setName("Start");
process.addNode(start);
ActionNode actionNode = new ActionNode();
actionNode.setId(2);
actionNode.setName("Action");
DroolsConsequenceAction action = new DroolsConsequenceAction();
action.setDialect("java");
action.setConsequence("System.out.println(\"Executed action\");");
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
start, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
WorkItemNode workItemNode = new WorkItemNode();
workItemNode.setId(3);
workItemNode.setName("WorkItem1");
Work work = new WorkImpl();
work.setName("MyWork");
workItemNode.setWork(work);
process.addNode(workItemNode);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE, workItemNode, Node.CONNECTION_DEFAULT_TYPE);
WorkItemNode workItemNode2 = new WorkItemNode();
workItemNode2.setId(4);
workItemNode2.setName("WorkItem2");
work = new WorkImpl();
work.setName("MyWork");
workItemNode2.setWork(work);
process.addNode(workItemNode2);
new ConnectionImpl(
workItemNode, Node.CONNECTION_DEFAULT_TYPE, workItemNode2, Node.CONNECTION_DEFAULT_TYPE);
WorkItemNode workItemNode3 = new WorkItemNode();
workItemNode3.setId(5);
workItemNode3.setName("WorkItem3");
work = new WorkImpl();
work.setName("MyWork");
workItemNode3.setWork(work);
process.addNode(workItemNode3);
new ConnectionImpl(
workItemNode2, Node.CONNECTION_DEFAULT_TYPE, workItemNode3, Node.CONNECTION_DEFAULT_TYPE);
EndNode end = new EndNode();
end.setId(6);
end.setName("End");
process.addNode(end);
new ConnectionImpl(
workItemNode3, Node.CONNECTION_DEFAULT_TYPE, end, Node.CONNECTION_DEFAULT_TYPE);
PackageBuilder packageBuilder = new PackageBuilder();
ProcessBuilderImpl processBuilder = new ProcessBuilderImpl(packageBuilder);
processBuilder.buildProcess(process, null);
List<KnowledgePackage> list = new ArrayList<KnowledgePackage>();
list.add(new KnowledgePackageImp(packageBuilder.getPackage()));
return list;
}
@SuppressWarnings("unused")
private List<KnowledgePackage> getProcessTimer2() {
final RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.test.TestProcess");
process.setName("TestProcess");
process.setPackageName("org.drools.test");
final StartNode start = new StartNode();
start.setId(1);
start.setName("Start");
process.addNode(start);
final TimerNode timerNode = new TimerNode();
timerNode.setId(2);
timerNode.setName("Timer");
final Timer timer = new Timer();
timer.setDelay("0");
timerNode.setTimer(timer);
process.addNode(timerNode);
new ConnectionImpl(
start, Node.CONNECTION_DEFAULT_TYPE, timerNode, Node.CONNECTION_DEFAULT_TYPE);
final ActionNode actionNode = new ActionNode();
actionNode.setId(3);
actionNode.setName("Action");
final DroolsConsequenceAction action = new DroolsConsequenceAction();
action.setDialect("java");
action.setConsequence(
"try { Thread.sleep(1000); } catch (Throwable t) {} System.out.println(\"Executed action\");");
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
timerNode, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
final EndNode end = new EndNode();
end.setId(6);
end.setName("End");
process.addNode(end);
new ConnectionImpl(actionNode, Node.CONNECTION_DEFAULT_TYPE, end, Node.CONNECTION_DEFAULT_TYPE);
final PackageBuilder packageBuilder = new PackageBuilder();
final ProcessBuilderImpl processBuilder = new ProcessBuilderImpl(packageBuilder);
processBuilder.buildProcess(process, null);
final List<KnowledgePackage> list = new ArrayList<KnowledgePackage>();
list.add(new KnowledgePackageImp(packageBuilder.getPackage()));
return list;
}
private List<KnowledgePackage> getProcessTimer() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.test.TestProcess");
process.setName("TestProcess");
process.setPackageName("org.drools.test");
StartNode start = new StartNode();
start.setId(1);
start.setName("Start");
process.addNode(start);
TimerNode timerNode = new TimerNode();
timerNode.setId(2);
timerNode.setName("Timer");
Timer timer = new Timer();
timer.setDelay("2000");
timerNode.setTimer(timer);
process.addNode(timerNode);
new ConnectionImpl(
start, Node.CONNECTION_DEFAULT_TYPE, timerNode, Node.CONNECTION_DEFAULT_TYPE);
ActionNode actionNode = new ActionNode();
actionNode.setId(3);
actionNode.setName("Action");
DroolsConsequenceAction action = new DroolsConsequenceAction();
action.setDialect("java");
action.setConsequence("System.out.println(\"Executed action\");");
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
timerNode, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
EndNode end = new EndNode();
end.setId(6);
end.setName("End");
process.addNode(end);
new ConnectionImpl(actionNode, Node.CONNECTION_DEFAULT_TYPE, end, Node.CONNECTION_DEFAULT_TYPE);
PackageBuilder packageBuilder = new PackageBuilder();
ProcessBuilderImpl processBuilder = new ProcessBuilderImpl(packageBuilder);
processBuilder.buildProcess(process, null);
List<KnowledgePackage> list = new ArrayList<KnowledgePackage>();
list.add(new KnowledgePackageImp(packageBuilder.getPackage()));
return list;
}
private Package getProcessSubProcess() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.test.TestProcess");
process.setName("TestProcess");
process.setPackageName("org.drools.test");
StartNode start = new StartNode();
start.setId(1);
start.setName("Start");
process.addNode(start);
ActionNode actionNode = new ActionNode();
actionNode.setId(2);
actionNode.setName("Action");
DroolsConsequenceAction action = new DroolsConsequenceAction();
action.setDialect("java");
action.setConsequence("System.out.println(\"Executed action\");");
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
start, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
SubProcessNode subProcessNode = new SubProcessNode();
subProcessNode.setId(3);
subProcessNode.setName("SubProcess");
subProcessNode.setProcessId("org.drools.test.SubProcess");
process.addNode(subProcessNode);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE, subProcessNode, Node.CONNECTION_DEFAULT_TYPE);
EndNode end = new EndNode();
end.setId(4);
end.setName("End");
process.addNode(end);
new ConnectionImpl(
subProcessNode, Node.CONNECTION_DEFAULT_TYPE, end, Node.CONNECTION_DEFAULT_TYPE);
PackageBuilder packageBuilder = new PackageBuilder();
ProcessBuilderImpl processBuilder = new ProcessBuilderImpl(packageBuilder);
processBuilder.buildProcess(process, null);
process = new RuleFlowProcess();
process.setId("org.drools.test.SubProcess");
process.setName("SubProcess");
process.setPackageName("org.drools.test");
start = new StartNode();
start.setId(1);
start.setName("Start");
process.addNode(start);
actionNode = new ActionNode();
actionNode.setId(2);
actionNode.setName("Action");
action = new DroolsConsequenceAction();
action.setDialect("java");
action.setConsequence("System.out.println(\"Executed action\");");
actionNode.setAction(action);
process.addNode(actionNode);
new ConnectionImpl(
start, Node.CONNECTION_DEFAULT_TYPE, actionNode, Node.CONNECTION_DEFAULT_TYPE);
WorkItemNode workItemNode = new WorkItemNode();
workItemNode.setId(3);
workItemNode.setName("WorkItem1");
Work work = new WorkImpl();
work.setName("MyWork");
workItemNode.setWork(work);
process.addNode(workItemNode);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE, workItemNode, Node.CONNECTION_DEFAULT_TYPE);
end = new EndNode();
end.setId(6);
end.setName("End");
process.addNode(end);
new ConnectionImpl(
workItemNode, Node.CONNECTION_DEFAULT_TYPE, end, Node.CONNECTION_DEFAULT_TYPE);
processBuilder.buildProcess(process, null);
return packageBuilder.getPackage();
}
public void testEvent1() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.process.event");
process.setName("Event Process");
List<Variable> variables = new ArrayList<Variable>();
Variable variable = new Variable();
variable.setName("event");
ObjectDataType personDataType = new ObjectDataType();
personDataType.setClassName("org.drools.Person");
variable.setType(personDataType);
variables.add(variable);
process.getVariableScope().setVariables(variables);
StartNode startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
MilestoneNode milestoneNode = new MilestoneNode();
milestoneNode.setName("Milestone");
milestoneNode.setConstraint("eval(false)");
milestoneNode.setId(2);
process.addNode(milestoneNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
milestoneNode, Node.CONNECTION_DEFAULT_TYPE);
EventNode eventNode = new EventNode();
EventTypeFilter eventFilter = new EventTypeFilter();
eventFilter.setType("myEvent");
eventNode.addEventFilter(eventFilter);
eventNode.setVariableName("event");
eventNode.setId(3);
process.addNode(eventNode);
final List<String> myList = new ArrayList<String>();
ActionNode actionNode = new ActionNode();
actionNode.setName("Print");
DroolsAction action = new DroolsConsequenceAction("java", null);
action.setMetaData(
"Action",
new Action() {
public void execute(ProcessContext context) throws Exception {
System.out.println(
"Detected event for person " + ((Person) context.getVariable("event")).getName());
myList.add("Executed action");
}
});
actionNode.setAction(action);
actionNode.setId(4);
process.addNode(actionNode);
new ConnectionImpl(
eventNode, Node.CONNECTION_DEFAULT_TYPE,
actionNode, Node.CONNECTION_DEFAULT_TYPE);
Join join = new Join();
join.setName("XOR Join");
join.setType(Join.TYPE_XOR);
join.setId(5);
process.addNode(join);
new ConnectionImpl(
milestoneNode, Node.CONNECTION_DEFAULT_TYPE,
join, Node.CONNECTION_DEFAULT_TYPE);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE,
join, Node.CONNECTION_DEFAULT_TYPE);
EndNode endNode = new EndNode();
endNode.setName("EndNode");
endNode.setId(6);
process.addNode(endNode);
new ConnectionImpl(
join, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
((AbstractRuleBase) ((InternalKnowledgeBase) kbase).getRuleBase()).addProcess(process);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ProcessInstance processInstance = ksession.startProcess("org.drools.process.event");
assertEquals(0, myList.size());
Person jack = new Person();
jack.setName("Jack");
processInstance.signalEvent("myEvent", jack);
assertEquals(1, myList.size());
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
@Test
public void testProcessEventListener() throws Exception {
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
// create a simple package with one process to test the events
final InternalKnowledgePackage pkg = new KnowledgePackageImpl("org.drools.test");
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.core.process.event");
process.setName("Event Process");
StartNode startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
ActionNode actionNode = new ActionNode();
actionNode.setName("Print");
DroolsAction action = new DroolsConsequenceAction("java", null);
action.setMetaData(
"Action",
new Action() {
public void execute(ProcessContext context) throws Exception {
logger.info("Executed action");
}
});
actionNode.setAction(action);
actionNode.setId(2);
process.addNode(actionNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
actionNode, Node.CONNECTION_DEFAULT_TYPE);
EndNode endNode = new EndNode();
endNode.setName("End");
endNode.setId(3);
process.addNode(endNode);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE);
pkg.addProcess(process);
List<KnowledgePackage> pkgs = new ArrayList<KnowledgePackage>();
pkgs.add(pkg);
kbase.addKnowledgePackages(pkgs);
StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession();
final List<ProcessEvent> processEventList = new ArrayList<ProcessEvent>();
final ProcessEventListener processEventListener =
new ProcessEventListener() {
public void afterNodeLeft(ProcessNodeLeftEvent event) {
processEventList.add(event);
}
public void afterNodeTriggered(ProcessNodeTriggeredEvent event) {
processEventList.add(event);
}
public void afterProcessCompleted(ProcessCompletedEvent event) {
processEventList.add(event);
}
public void afterProcessStarted(ProcessStartedEvent event) {
processEventList.add(event);
}
public void beforeNodeLeft(ProcessNodeLeftEvent event) {
processEventList.add(event);
}
public void beforeNodeTriggered(ProcessNodeTriggeredEvent event) {
processEventList.add(event);
}
public void beforeProcessCompleted(ProcessCompletedEvent event) {
processEventList.add(event);
}
public void beforeProcessStarted(ProcessStartedEvent event) {
processEventList.add(event);
}
public void beforeVariableChanged(ProcessVariableChangedEvent event) {
processEventList.add(event);
}
public void afterVariableChanged(ProcessVariableChangedEvent event) {
processEventList.add(event);
}
};
session.addEventListener(processEventListener);
// execute the process
session.startProcess("org.drools.core.process.event");
assertEquals(16, processEventList.size());
assertEquals(
"org.drools.core.process.event",
((ProcessStartedEvent) processEventList.get(0)).getProcessInstance().getProcessId());
assertEquals(
"Start",
((ProcessNodeTriggeredEvent) processEventList.get(1)).getNodeInstance().getNodeName());
assertEquals(
"Start", ((ProcessNodeLeftEvent) processEventList.get(2)).getNodeInstance().getNodeName());
assertEquals(
"Print",
((ProcessNodeTriggeredEvent) processEventList.get(3)).getNodeInstance().getNodeName());
assertEquals(
"Print", ((ProcessNodeLeftEvent) processEventList.get(4)).getNodeInstance().getNodeName());
assertEquals(
"End",
((ProcessNodeTriggeredEvent) processEventList.get(5)).getNodeInstance().getNodeName());
assertEquals(
"End", ((ProcessNodeLeftEvent) processEventList.get(6)).getNodeInstance().getNodeName());
assertEquals(
"org.drools.core.process.event",
((ProcessCompletedEvent) processEventList.get(7)).getProcessInstance().getProcessId());
assertEquals(
"org.drools.core.process.event",
((ProcessCompletedEvent) processEventList.get(8)).getProcessInstance().getProcessId());
assertEquals(
"End", ((ProcessNodeLeftEvent) processEventList.get(9)).getNodeInstance().getNodeName());
assertEquals(
"End",
((ProcessNodeTriggeredEvent) processEventList.get(10)).getNodeInstance().getNodeName());
assertEquals(
"Print", ((ProcessNodeLeftEvent) processEventList.get(11)).getNodeInstance().getNodeName());
assertEquals(
"Print",
((ProcessNodeTriggeredEvent) processEventList.get(12)).getNodeInstance().getNodeName());
assertEquals(
"Start", ((ProcessNodeLeftEvent) processEventList.get(13)).getNodeInstance().getNodeName());
assertEquals(
"Start",
((ProcessNodeTriggeredEvent) processEventList.get(14)).getNodeInstance().getNodeName());
assertEquals(
"org.drools.core.process.event",
((ProcessStartedEvent) processEventList.get(15)).getProcessInstance().getProcessId());
}
private RuleFlowProcess getWorkItemProcess(String processId, String workName) {
RuleFlowProcess process = new RuleFlowProcess();
process.setId(processId);
List<Variable> variables = new ArrayList<Variable>();
Variable variable = new Variable();
variable.setName("UserName");
variable.setType(new StringDataType());
variables.add(variable);
variable = new Variable();
variable.setName("Person");
variable.setType(new ObjectDataType(Person.class.getName()));
variables.add(variable);
variable = new Variable();
variable.setName("MyObject");
variable.setType(new ObjectDataType());
variables.add(variable);
variable = new Variable();
variable.setName("Number");
variable.setType(new IntegerDataType());
variables.add(variable);
process.getVariableScope().setVariables(variables);
StartNode startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
WorkItemNode workItemNode = new WorkItemNode();
workItemNode.setName("workItemNode");
workItemNode.setId(2);
workItemNode.addInMapping("Comment", "Person.name");
workItemNode.addInMapping("Attachment", "MyObject");
workItemNode.addOutMapping("Result", "MyObject");
workItemNode.addOutMapping("Result.length()", "Number");
Work work = new WorkImpl();
work.setName(workName);
Set<ParameterDefinition> parameterDefinitions = new HashSet<ParameterDefinition>();
ParameterDefinition parameterDefinition =
new ParameterDefinitionImpl("ActorId", new StringDataType());
parameterDefinitions.add(parameterDefinition);
parameterDefinition = new ParameterDefinitionImpl("Content", new StringDataType());
parameterDefinitions.add(parameterDefinition);
parameterDefinition = new ParameterDefinitionImpl("Comment", new StringDataType());
parameterDefinitions.add(parameterDefinition);
work.setParameterDefinitions(parameterDefinitions);
work.setParameter("ActorId", "#{UserName}");
work.setParameter("Content", "#{Person.name}");
workItemNode.setWork(work);
EndNode endNode = new EndNode();
endNode.setName("End");
endNode.setId(3);
connect(startNode, workItemNode);
connect(workItemNode, endNode);
process.addNode(startNode);
process.addNode(workItemNode);
process.addNode(endNode);
return process;
}